Re: (ITS#7099) slapadd segfaults with back-mdb and slapo-dds
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dieter(a)dkluenter.de wrote:
Full_Name: Dieter Kluenter
Version:
OS:
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (141.38.5.243)
back-mdb tries to read entry databases prior to initialisation, which leeds to
segmatation fault
slapo-dds was misbehaving, fixed now in master. Overlays that hook the db_open
entry point are required to check for (slapMode & SLAP_TOOL_MODE) and exit as
a no-op in that case. slapo-dds was not doing this. It caused slapcat to crash
as well.
This problem was triggered by using the dds-max_dynamocObjects setting, which
makes slapo-dds fire off a search at startup to find entries to expire/delete.
Of course this operation fails in slapcat anyway, since the database is opened
read-only.
output of slapadd -d-1
[...]
4ed4888e slapadd startup: initiated.
4ed4888e backend_startup_one: starting "o=avci,c=de"
4ed4888e mdb_db_open: "o=avci,c=de"
4ed4888e mdb_db_open: database "o=avci,c=de":
dbenv_open(/home/dieter/openldap/var/ldap-dds).
4ed4888e str2filter
"(&(objectClass=dynamicObject)(entryExpireTimestamp<=20111129072258Z))"
4ed4888e begin get_filter
4ed4888e AND
4ed4888e begin get_filter_list
4ed4888e begin get_filter
4ed4888e EQUALITY
4ed4888e end get_filter 0
4ed4888e begin get_filter
4ed4888e LE
4ed4888e end get_filter 0
4ed4888e end get_filter_list
4ed4888e end get_filter 0
Speicherzugriffsfehler
the appropriate slapo-dds configuration:
[...]
overlay dds
dds-max-ttl 86400
dds-min-ttl 0
dds-default-ttl 3600
dds-interval 1800
dds-tolerance 60
dds-max-dynamicObjects 100
dds-state TRUE
[...]
-Dieter
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
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